Identifying the Hardware Features
(20) The TrackPoint buttons work with the TrackPoint stick (21) and
function similar to the buttons on a mouse.
(21) The TrackPoint is a built-in pointing device that provides a func-
tion similar to that of a mouse.
(22) The Fn key is used with the function keys to activate the Fn key
functions.
(23) The indicator panel consists of the system-status indicators and
their associated symbols.
4 ThinkPad 390X User's Reference